EmbryoLysates&Immunoprecipitation

Embryo lysatesTake 25 embryos and place into 1.7ml centrifuge tube.Rinse once in lysis buffer (add ~ 1ml) and remove by aspirationAdd 500 µL lysis buffer per embryo and homogenize with either P1000 tip.Add 1000 µL freon -- vortexspin in cold room, top speed - 10-15 minutestake the supernatant - either freeze at -80°C or use immediately for blot, immunoprecipitation, DNA-fishing or whatever else suits your fancy.For b......阅读全文

HOXB13基因突变与药物因子介绍

该基因编码属于同源盒基因家族的转录因子。该家族的基因在脊椎动物中高度保守,对脊椎动物胚胎发育至关重要。该基因与胎儿皮肤发育和皮肤再生有关。在小鼠体内,一个类似的基因在胚胎的主轴上表现出时间和空间的共线性,但没有在第二轴上表达,这表明了在沿着主轴的身体模式中的功能。这个基因和其他hoxb基因在染色体1

Column-Method-for-Lambda-Phage-DNA-Preparation

Purpose:Mini-prep method for lambda phage DNA purification from lysates.Time required:4 hours once the lysate is in handSpecial supplies required:BioR

Enzyme-Kinetics-assay-of-the-WT

To assay 17 b-HSD activity in lysates, cells were harvested 48h after transfection using PBS Enzyme Free Cell Dissociation Solution ( specialty Media

报告基因检测的精明之选—LipoD293DNA转染试剂

使用lipoD293转染试剂来转染哺乳动物细胞(比如Hela 、PC3),以期检测荧光酶报告基因,同其他转染试剂相比较,您会得到更多的荧光酶读数,更少的细胞死亡率。使用unsupplemented RPM11640/DMEM替代Opti-MEM培养基来稀释lipoD293及DNA(luciferas

哺乳动物卵母细胞向胚胎转变中功能枢纽研究取得进展

  卵母细胞在减数分裂成熟的过程中积累大量的母源RNA和蛋白质,这些母源RNA和蛋白质在合子基因组激活前调控卵母细胞向胚胎转变(oocyte-to-embryo transition)过程,即早期胚胎发育的母源调控。受研究材料和方法的限制,哺乳动物胚胎发育母源调控的分子机制研究相对滞后。中国科学院动

中国热科院椰子所在椰子体胚发育轨迹方面取得重要进展

近日,中国热科院椰子所、热带作物生物育种全国重点实验室热带棕榈作物生物育种团队在椰子体胚发育轨迹方面取得重要进展。利用单细胞转录组技术(scRNA-seq)构建了椰子合子胚(ZE)、胚性愈伤组织(EC)和体细胞胚(SE)的单细胞图谱及发育轨迹,挖掘了CnGRF12等潜在发育调控因子。    椰子(C

多功能胚胎激光破膜仪(二)

A new approach to cyropreservation of large equine embryos by vitrification after blastocoel micromanipulation.J. Scherzer, R. A. Fayrer-Hosken, L. Ra

Whole-mount-antibody-staining-ofzebrafish-embryos-formarkers-ofsegmentation

1. Dechorionate 26 hr embryos (pharyngula stage) carefully with two fine forceps.Transfer to fixative (1% formaldehyde in PBS). Fix for 1 hour rocking

Analysis-of-Proteins-using-Small-Format-2D-Gel-Electrophoresis

Preparation of protein samplesIntracellular virus proteinsThe following method has been developed principally for the analysis of intracellular protei

使用CO2恒温摇床解决人胚肾-293-(HEK293)-细胞结团问题

人胚肾 293 (HEK293)  细胞在重组蛋白表达中是最常见的宿主细胞。 这类细胞能够表达大量的膜蛋白,如 G 蛋白偶联受体  (GPCR) ,是无法在最常见的生物制药生产宿主,如:中国仓鼠卵巢 (CHO) 细胞中作表达。 HEK293 虽然是蛋白表达的极好宿主,然而 HEK293 细胞

LselectinPNAd-Interactions-under-Flow-Conditions.

PurposeThe main purpose of the flow chamber assay is to visualize and measure interactions between flowing cells expressing a given adhesion molecule

In-situ-hybridization

Note: Although it is possible to perform in situ hybridization on bleached embryos, it appears to reduced the strength of the signal. For best results

Gastrulation-Models

Gastrulation has been celled "the most important time of your life" (Lewis Wolpert); without it you would be flat like a pancake! Vertebrate gastrulat

ASXL1基因编码功能及结构描述

这个基因类似于果蝇的附加性梳基因,它编码一种染色质结合蛋白,这是正常确定发育中胚胎的片段特性所必需的。该蛋白是多梳蛋白组的一员,是维持稳态和其他基因座稳定抑制所必需的。这种蛋白质被认为会破坏局部区域的染色质,增强某些基因的转录,同时抑制其他基因的转录。该基因编码的蛋白与核受体辅活化子1协同作为维甲酸

Avertin-(2,-2,-2Tribromoethanol)

This is prepared as a 1.2% solution and used in mice at a dosage rate of 0.2 ml/10grams body weight which approximates 240 mg/kg. This compound is sub

ASXL1基因突变与药物因子介绍

这个基因类似于果蝇的附加性梳基因,它编码一种染色质结合蛋白,这是正常确定发育中胚胎的片段特性所必需的。该蛋白是多梳蛋白组的一员,是维持稳态和其他基因座稳定抑制所必需的。这种蛋白质被认为会破坏局部区域的染色质,增强某些基因的转录,同时抑制其他基因的转录。该基因编码的蛋白与核受体辅活化子1协同作为维甲酸

核受体信号通路相关因子ASXL1

这个基因类似于果蝇的附加性梳基因,它编码一种染色质结合蛋白,这是正常确定发育中胚胎的片段特性所必需的。该蛋白是多梳蛋白组的一员,是维持稳态和其他基因座稳定抑制所必需的。这种蛋白质被认为会破坏局部区域的染色质,增强某些基因的转录,同时抑制其他基因的转录。该基因编码的蛋白与核受体辅活化子1协同作为维甲酸

与白血病相关的ASXL1基因编码功能描述

这个基因类似于果蝇的附加性梳基因,它编码一种染色质结合蛋白,这是正常确定发育中胚胎的片段特性所必需的。该蛋白是多梳蛋白组的一员,是维持稳态和其他基因座稳定抑制所必需的。这种蛋白质被认为会破坏局部区域的染色质,增强某些基因的转录,同时抑制其他基因的转录。该基因编码的蛋白与核受体辅活化子1协同作为维甲酸

In-vitroculture-of-early-chick-embryos

1. Use sterile technique. Prewarm Howard's Ringers in petri dish andagar/albumin culture dish to 37ºC.2. Crack 2-day egg into large sterile petri

Dephosphorylation-...

实验概要The method  provides a protocol for removal of phosphate groups from proteins,  before or after blotting. To demonstrate the specificity of an ant

Typical-Western-Tra...

实验概要Peprotech provides a typical western transfer and development protocol.实验原理Western Transfer, also known as Western Blotting, is a rapid immunobl

Peptide-competition...

实验概要The peptide competition assay/blocking procedure can be used in western blotting, IHC and ELISA. The peptide competition assay (PCA) is a reco

LIFR基因突变与药物因子介绍

该基因编码一种属于I型细胞因子受体家族的蛋白质该蛋白与高亲和力的转换亚单位gp130结合形成受体复合物,介导白血病抑制因子的作用,白血病抑制因子是一种多功能细胞因子,参与成人和胚胎的细胞分化、增殖和存活。该基因突变导致Schwartz-Jampel综合征2型,一种属于弯曲骨发育不良的疾病。该基因启动

Isolation-of-papillary-cells

Isolation of renal papillary cells1. For isolation of papillary cells, kidneys were harvested and kept in HBSS containing 15 mM HEPES, penicillin/

LIFR基因编码功能及结构描述

该基因编码一种属于I型细胞因子受体家族的蛋白质该蛋白与高亲和力的转换亚单位gp130结合形成受体复合物,介导白血病抑制因子的作用,白血病抑制因子是一种多功能细胞因子,参与成人和胚胎的细胞分化、增殖和存活。该基因突变导致Schwartz-Jampel综合征2型,一种属于弯曲骨发育不良的疾病。该基因启动

Isolation-of-papillary-cells

实验概要This protocols provides a general protocol for isolation of papillary cells.实验步骤Isolation of renal papillary cells1. For  isolation of papillary c

简述孤雌单倍体胚胎干细胞分化潜能

  为了检测PG-haESCs在体外(in vitro)的分化潜能,Elling等通过培养PG-haESCs证明在形态学上,PG-haESCs可以产生正常形态的胚状体(embryonic body, EB)。同时通过PCR技术发现PG-haESCs中许多ESC标志性蛋白,如Nanog、Rex1、Oc

Segmentation-Clock

In most animal species, the anteroposterior body axis is generated by the formation of repeated structures called segments. In vertebrate segmentation

新技术:InCell-Western-Assay2

III. Experimental ConsiderationsProper selection of microplates can significantly affect the results of your analysis, as each plate has its own chara

UV-Absorbance-(280-nm)--–-Protein-Determination

UV Absorbance (280 nm)  – Protein Determination Simple and quick method to accurately quantitate total protein in purified material or approximately q